Home / 189,425.24-261,440.69-112,949.26

Finding the Fourth Proportional to 189,425.24, 261,440.69 and 112,949.26

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Solution

The fourth proportional to 189,425.24, 261,440.69 and 112,949.26 is: 155,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,425.24 : 261,440.69 = 112,949.26 : x
  2. Step 2: Convert to fraction form
    189,425.24/261,440.69 = 112,949.26/x
  3. Step 3: Cross multiply
    189,425.24x = 261,440.69 × 112,949.26
  4. Step 4: Simplify right side
    189,425.24x = 29,529,532,469.39
  5. Step 5: Solve for x
    x = 29,529,532,469.39/189,425.24
  6. Step 6: Final answer
    x = 155,890.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.